Data SufficiencyGMATQuantitativeIf x is an integer, is (x² + 1 )(x + 5) an even number? 22/12/2020Read more
GMATProblem SolvingQuantitativeSusan drove at an average speed of 30 mph for the first 30 miles of the trip and then at an average speed of 60 […] 22/12/2020Read more
GMATProblem SolvingQuantitativeIf n is a multiple of 5 and n=(p²)q , where p and q are different prime numbers, which of the following must be a multiple of 25? 22/12/2020Read more
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